this derivation will be built:
  /nix/store/lp2ffx19f61npibmnrpwlbviy0l3zajd-debian-12-generic-amd64-20261018-2635.qcow2.drv
building '/nix/store/likgbdqpg70n66yagi52d458xj11gs0q-debian-12-generic-amd64-20261018-2635.qcow2.drv'
debian-12-generic-amd64-20261018-2635.qcow2> structuredAttrs is enabled
debian-12-generic-amd64-20261018-2635.qcow2> 
debian-12-generic-amd64-20261018-2635.qcow2> trying https://cloud.debian.org/images/cloud/bookworm/20261018-2635/debian-12-generic-amd64-20261018-2635.qcow2
debian-12-generic-amd64-20261018-2635.qcow2>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
debian-12-generic-amd64-20261018-2635.qcow2>                                  Dload  Upload  Total   Spent   Left   Speed
debian-12-generic-amd64-20261018-2635.qcow2> 100    417 100    417   0      0   5371      0                              0
debian-12-generic-amd64-20261018-2635.qcow2> 100 428.5M 100 428.5M   0      0 24.07M      0   00:17   00:17         26.56M

upload niks3: ok